This amplifier provides up to 15 W of output when powered by a simple 12 V source. The integrated circuit must have an excellent heat sink.
The sensor diode used in this circuit is the common type of germanium. Experiments may be made...
This small transmitter that we found in a 1988 documentation, has a range that depends on the...
This power supply has a resolution of 10 pA in the current range from -100 to +100 nA. The circuit is...